vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| acute angle | an angle whose measure is between 0 and 90
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| angle | formed by two rays with the same endpoints
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| angle bisector | a ray that divides an angle into two congruent angles
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| collinear points | points on the same line
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| congruent angles | angles that have the same measure
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| congruent segments | segments that have the same lengths
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| conjecture | conclusion reached by using inductive reasoning
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| coordinate | a point by any order
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| coplanar | figure in the same plane
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| counterexample | a particular example or instance of the statement that makes it false
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| inductive reasoning | type of reasoning that reaches conclusions based on patterns of specific examples or past events
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| line | a series of points that extend in two directions without end
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| midpoint | a point that divides a segment into two congruent segments
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| obtuse angle | angle whose mearsure is between 90 and 80
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| opposite rays | collinear rays with the same endpoint
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| parallel lines | two lines are parallel if they lie in the same plane and do not intersect
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| perpendicular lines | lines that intersect and form right angles
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| plane | flat surface with no thickness
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| point | a location
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| postulate | accepted statement of fact
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| ray | part of line consisting of one endpoint and all the points of the line on one side of the endpoint
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| right angle | an angle whose measure is 90
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| segment | part of a line consisting of two points and all points between them
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| skew lines | noncoplanar line therefore, they are not parallel and do not intersect.
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| space | set of all points
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
christol
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